sorry for the vulgarity but it is more than a shame to sell an item as bad, this is pure scam, sell an item saying "very high quality sound" after the first few seconds of use I immediately notice that the sound is very, very low quality but then (though I'm not very demanding, then the helmet (after 1 week of use, great !!!! andj e'm careful though) eventually aggrandire all alone and falls ... And it ended up doing well earache, there is the micro valid in this helmet.
He made me one week ... After one week already buguais sound a false contact in the helmet.
I greatly recommend to any person to buy this helmet which is not even classifiable so is void.